Question

Which units can be used to express force?

a. N

b. kg/s2

c. kg • m/s2

d. two of the above​

Answer 1

The SI unit of force is the newton, symbol N.

...

The base units relevant to force are:

The metre, unit of length — symbol m.

The kilogram, unit of mass — symbol kg.

The second, unit of time — symbol s.

option D

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Answer 2

Option c) kg • m/s2

kg • m/s2 units can be used to express force.

• The unit of force deriving from the International System of Units (SI) is the newton (symbol: N). The force that causes a mass of one kilogramme to accelerate by one metre per second per second is known as 1 kgm/s2.
• A force is an interaction between two or more items that pushes or pulls the objects in its path. The force is always accompanied by a direction. Drag caused by contact with an air mass and the force caused by friction between two objects are both excellent instances of opposing force.
• A push or pull that an object experiences as a result of interacting with another item is known as a force. Every time two items interact, a force is exerted on each of the objects.
• The word "force" has a specific meaning in science. At this level, calling a force a push or a pull is entirely appropriate. A force is not something an object "has in it" or that it "contains." One thing experiences a force from another. There are both living things and non-living objects in the concept of a force.

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